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Starting point and access: Le Vésinet-Le Pecq station.
- RER - Line A, on the section between Paris and Saint-Germain-en-Laye.
Take exit 2 Avenue Georges Bizet.
No signposts
(S) At the top of the exit stairs, go straight ahead and pass a bus stop. Walk along the railway line on your right, then turn left onto the avenue. At the crossroads, turn left into a one-way street. After No. 13, turn right, pass a chain and follow a wide grassy path, Avenue Médéric. Cross a street (church on the left) and continue along the path. At the end, cross a car park diagonally to the right.
(1) At the traffic lights, turn right to cross the D311. Then turn left and cross Route de la Passerelle and then the D121. Then first turn left then right to follow the direction of Saint-Germain-en-Laye. Leave the town of Le Vésinet and take the bridge over the Seine.
Red and yellow markings
(2) At the end of the bridge (allegorical sculpture of the Seine), turn right towards Maisons-Laffite and go downhill. At the roundabout, continue straight ahead. Take Promenade Hennef, a wide, shaded avenue parallel to Quai Voltaire. Go under the railway viaduct and turn right to enter Parc Corbière. Walk along the Seine on your right, ignoring the paths on your left. Walk along a small fenced animal park on your left and you will soon reach an intersection.
(3) Turn left. Continue straight ahead, climb a small staircase and walk along a pergola. Leave the park and turn right. You will come to a street; cross it (be careful, there is no pedestrian crossing) and follow it to the right. Then turn left onto Rue des Prairies. When this street turns left, continue straight ahead on a discreet path lined with a fence on the left-hand side. Go up and climb a few concrete steps.
(4) At the top, turn right into an alleyway. Cross a street on the right-hand side, continue straight ahead along a path and walk alongside a market garden on your right. At the corner of a greenhouse, turn left and walk along a fence on your left. Ignore a path on your left through an opening in the fence and continue along the fence. At the next intersection, turn sharply left and then right. Climb up to arrive directly below the Terrasse de Saint-Germain-en-Laye.
(5) Then turn right and walk along the terrace wall on your left. When you reach the terrace, follow it as it continues. Shortly afterwards, turn left and leave a tree-lined roundabout on your right. Turn left again and take the Grille Royale, at the foot of the forest house of the same name. You will immediately come to a crossroads.
(6) Take thefirst path on the right, ignore a path on the right and follow the signs for Château du Val. Descend gently and, at a crossroads, continue straight ahead and downhill. At the bottom, cross the road (be careful, there is no pedestrian crossing) and climb the stairs opposite. You will arrive at the entrance to Château du Val.
(7) Continue straight ahead. Cross a small tarmac road, pass through a forest barrier and continue along a path (Route de la Grille Royale).
No signposts
At the crossroads (signpost), take thesecond path on the left, Route du Buisson Richard.
(8) At the next junction, leave the main path, turn right and immediately ignore a path on the right. Pass a wooden marker and then an information sign, and wind your way through the undergrowth. At the start of a path, turn left and continue through the undergrowth. You will come out onto Route du Buisson Richard, which you left earlier, and follow it to the right to immediately reach Étoile d'Actéon.
Red and yellow markings
(9) Continue straight ahead, passing a tree marked with the number 190. Ignore a path coming from the left and, at the next fork, turn right (signposted "Salamandre"). Cross a wide path and continue straight ahead towards the Mare aux Cannes. Wind your way along, take a footbridge over a stream and you will arrive at the pond.
(10) Go around the pond on the left and, on the opposite bank, stay parallel to a path on the left. At a three-way junction, turn left. Cross a stream via a footbridge, follow the path to the right and, at the immediate junction, turn left. Continue straight ahead. You will come to a road; follow it briefly to the right until you reach a crossroads.
(11) Cross the N184 in two stages at the pedestrian crossing. On the other side, follow a cycle path to the left and cross the D284. Continue opposite on a track that starts at the foot of a restaurant on the left-hand side. Go through a forest gate and continue along a wide, stabilised path. At the next crossroads (Étoile Richelieu), continue straight ahead until you reach Étoile Sainte-Anne (oratory high up in a tree).
No markings
(12) Take thesecond path on the left at a 90° angle (south, signposted with a crossed-out horseshoe; thefirst path on the left is a wide, grassy lane lined with yellow signs with two sides). The path is narrow and leads to Carrefour de la Mare à la Douzaine.
(13) Then take thethird path on the right (south-west; thesecond path on the right, due west, is not very clearly marked). At the end, go through a forest gate, carefully cross a cycle path, a road with a protected crossing and then a second cycle path. Continue on the tarmac road opposite and take a bridge over the platform of an old railway line. When the tarmac turns left, continue straight ahead on a path and follow the fence of the Saint-Germain-en-Laye golf course on your right.
(14) At the crossroads, turn right (until the next point, the route runs alongside the golf course). Turn left with the path at the gate. At the crossroads, follow a tarmac path to the right and, shortly afterwards, turn right onto a dirt track.
Red and yellow markings
At the next crossroads (elevation 65), turn right.
(15) At the crossroads just before a bridge, turn left. Continue straight ahead until you leave the forest. Go down a flight of steps, cross a street and continue along the street opposite. At the next crossroads, go straight ahead into Rue du Docteur Labarrière and continue downhill.
No signposts
(16) At the crossroads, take thesecond right, Rue à la Mémoire des Victimes d'AFN (this is its name). At the end, first turn left then right to follow Rue du 8 mai 1945. Walk along the left-hand side of the town hall and then Place de la République.
(17) Turn left onto Rue du Général de Gaulle. Continue straight ahead along this shopping street, cross Boulevard Devaux on the right-hand side and ignore all the streets and alleys on either side.
(18) At a crossroads (statue of Le Corbusier seated), turn left onto Rue au Pain and cross Rue du Boeuf on the left-hand side. Cross Avenue du Cep, pass under a porch and reach the entrance to Poissy Collegiate Church. Walk along the church on your right-hand side.
Red and yellow markings
(19) At the end of the street, turn right and walk past the statue of Saint Louis (who was baptised in the collegiate church in 1214). At the traffic lights, cross Rue Saint-Louis in two stages and continue straight ahead into Avenue Meissonnier. At the next crossroads, go straight ahead and pass under the railway bridge. Continue straight ahead, cross the quay and arrive at the banks of the Seine.
(20) Then turn right and walk along the river on your left with the Vieux Pont de Poissy in your line of sight. Shortly before the old bridge, go around a restaurant on the right. Cross Rue de la Gare and look for a pedestrian crossing a little further on. Then turn right and cross a wide street in two stages. Then turn right again to quickly reach Poissy station (E).
To return home:
- RER - Line A, towards La Défense and Paris.
- Transilien - Line J, towards Mantes-la-Jolie or Paris-Saint-Lazare.
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